◆ CIRCUITS & CHIPS, DECODED FOR THE AI ERA 10 FREE CALCULATORS NO LOGIN · NO ADS · NO TRACKING BUILT FOR EE STUDENTS WORLDWIDE v0.2 LIVE
◆ CIRCUITS & CHIPS, DECODED FOR THE AI ERA 10 FREE CALCULATORS NO LOGIN · NO ADS · NO TRACKING BUILT FOR EE STUDENTS WORLDWIDE v0.2 LIVE
/ 10 tools · shared, saved, no login

All calculators

Every calculation works offline in your browser. Share any result as a URL. Save your work to browser history — no account needed.

TOOL 01
Ohm's Law
V, I, R, P — any two, get the rest
TOOL 02
Resistor decoder
4-band color code, visual + interactive
TOOL 03
Voltage divider
Vout, current, loading warning
TOOL 04
LED current limiter
Standard E12 sizing, power rating
TOOL 05
RC time constant
τ, settling time, cutoff frequency
TOOL 06
Op-amp gain
Inverting and non-inverting
TOOL 07
555 timer
Astable and monostable
TOOL 08
Parallel / series
Up to 12 resistors or capacitors
TOOL 09
Decibel converter
Power and voltage ratios
TOOL 10
Unit converter
All SI prefixes for EE quantities
coming soon
More tools on the way
Filter design, transistor biasing, PCB trace width, SPICE netlist snippets. Subscribe below to hear when each ships.